Folded Fingerstock Gasket for EMI Shielding
Folded Fingerstock Gaskets provide effective EMI/RFI shielding, grounding, and electrical contact for electronic enclosures, cabinets, chassis assemblies, and telecommunications equipment. Their versatile folded design accommodates a wide range of compression and deflection requirements while maintaining reliable electrical continuity.
Manufactured from high-performance beryllium copper, these conductive fingerstock gaskets deliver excellent spring properties, corrosion resistance, and long service life. The folded profile allows for consistent contact pressure across enclosure seams while supporting repeated opening and closing cycles.
Leader Tech Folded Fingerstock Gaskets are available with or without pressure-sensitive adhesive mounting and can be supplied in snag-free configurations that help prevent gasket damage during compression and operation.
These EMI shielding gaskets are commonly used in military, aerospace, telecommunications, industrial electronics, and commercial enclosure applications requiring dependable EMI protection and grounding performance.
Options
PP = plating code from plating code table below
X.XXX = Desired length
Lengths greater than 24 inches are only available in the following finishes: BD, NI, SN, ST, SNPB, SU
| Leader Tech Part Number | A (in) | B (in) | C (in) | F (in) | G (in) | T (in) | Max Length (in) | Fingers at Max Length | Adhesive |
|---|---|---|---|---|---|---|---|---|---|
| Leader Tech Part Number | A (in) | B (in) | C (in) | F (in) | G (in) | T (in) | Max Length (in) | Fingers at Max Length | Adhesive |
| 11-28FS-PP-X.XXX | 0.110 | 0.280 | 0.240 | 0.170 | 0.018 | 0.0030 | 300 | 1596 | Y |
| 11-S-28FS-PP-X.XXX | 0.110 | 0.280 | 0.240 | 0.170 | 0.018 | 0.0020 | 300 | 1596 | Y |
| 14-37FS-PP-X.XXX | 0.140 | 0.370 | 0.310 | 0.228 | 0.022 | 0.0030 | 300 | 1200 | Y |
| 14-S-37FS-PP-X.XXX | 0.140 | 0.370 | 0.310 | 0.228 | 0.022 | 0.0020 | 300 | 1200 | Y |
| 23-60FS-PP-X.XXX | 0.230 | 0.600 | 0.500 | 0.343 | 0.032 | 0.0040 | 300 | 800 | Y |
| 25-78FS-PP-X.XXX | 0.250 | 0.780 | 0.530 | 0.335 | 0.040 | 0.0050 | 300 | 800 | Y |
| 25-S-78FS-PP-X.XXX | 0.250 | 0.780 | 0.530 | 0.335 | 0.040 | 0.0030 | 300 | 800 | Y |
| 41-113FS-PP-X.XXX | 0.410 | 1.130 | 0.800 | 0.460 | 0.040 | 0.0070 | 300 | 600 | Y |
| Leader Tech Part Number | A (mm) | B (mm) | C (mm) | F (mm) | G (mm) | T (mm) | Max Length (mm) | Fingers at Max Length | Adhesive |
|---|---|---|---|---|---|---|---|---|---|
| Leader Tech Part Number | A (mm) | B (mm) | C (mm) | F (mm) | G (mm) | T (mm) | Max Length (mm) | Fingers at Max Length | Adhesive |
| 11-28FS-PP-X.XXX | 2.79 | 7.11 | 6.10 | 4.32 | 0.46 | 0.008 | 7621 | 1596 | Y |
| 11-S-28FS-PP-X.XXX | 2.79 | 7.11 | 6.10 | 4.32 | 0.46 | 0.051 | 7621 | 1596 | Y |
| 14-37FS-PP-X.XXX | 3.56 | 9.40 | 7.87 | 5.79 | 0.56 | 0.076 | 7619.4 | 1200 | Y |
| 14-S-37FS-PP-X.XXX | 3.56 | 9.40 | 7.87 | 5.79 | 0.56 | 0.051 | 7619.4 | 1200 | Y |
| 23-60FS-PP-X.XXX | 5.84 | 15.24 | 12.70 | 8.71 | 0.81 | 0.102 | 7619.2 | 800 | Y |
| 25-78FS-PP-X.XXX | 6.35 | 19.81 | 13.46 | 8.51 | 1.02 | 0.127 | 7619.0 | 800 | Y |
| 25-S-78FS-PP-X.XXX | 6.35 | 19.81 | 13.46 | 8.51 | 1.02 | 0.076 | 7619.0 | 800 | Y |
| 41-113FS-PP-X.XXX | 10.41 | 28.70 | 20.32 | 11.68 | 1.02 | 0.178 | 7619.0 | 600 | Y |
| Plating Code | Plating | Specification |
|---|---|---|
| BD | As Heat treated | As Heat Treated with Nitrogen |
| AU | Gold | ASTM B488, TYPE I, CODE C, CLASS 1.25 PRECEDED BY AN UNDERCOAT OF AT LEAST .000047" OF COPPER PER SAE-AMS2418 AND AT LEAST .000047" OF NICKEL PER SAE-AMS-QQ-N-290 |
| AG | Silver, Bright | ASTM B700, TYPE 2, GRADE B, CLASS N .0001" MIN PRECEDED BY A NICKEL UNDERCOAT AT LEAST .000039" THICK PER SAE-AMS-QQ-N-290 |
| MAG | Silver, Matte | ASTM B700, TYPE 2, GRADE A, CLASS N .0001" MIN PRECEDED BY A NICKEL UNDERCOAT AT LEAST .000039" THICK PER SAE-AMS-QQ-N-290 |
| CDC | Cadmium Chromate, Clear | ASTM B766, CLASS 5, TYPE III |
| CDY | Cadmium Chromate, Yellow | ASTM B766, CLASS 5, TYPE II |
| NI | Electroless Nickel RoHS | ASTM B733, TYPE IV, SC1, CLASS 1 |
| SN | Tin, Bright | ASTM B545, CLASS A PRECEDED BY A NICKEL UNDERCOAT AT LEAST .00005" THICK PER SAE-AMS-QQ-N-290 |
| ST | Tin, Matte | ASTM B545, CLASS A PRECEDED BY A NICKEL UNDERCOAT AT LEAST .00005" THICK PER SAE-AMS-QQ-N-290 |
| SNPB | Tin Lead | ASTM B 579, SC2 PRECEDED BY AN UNDERCOAT OF AT LEAST .000098" OF COPPER PER SAE-AMS2418 AND AT LEAST .000098" OF NICKEL PER SAE-AMS-QQ-N-290 |
| SU | Solderable Unplated | - |
| ZNC | Zinc, Clear | ASTM B633, SC1, TYPE III |
| ZNY | Zinc, Yellow | ASTM B633, SC1, TYPE II |